2011 Subaru Legacy Makes Noise When Braking

Common Causes of Brake Noise in Your 2011 Subaru Legacy and How to Address Them

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Reviewed by
Bo Fader
Written by RepairPal Car Genius
Updated January 14, 2025
0%
40% chance it's the
Brake Pads
0%
25% chance it's the
Brake Rotors
0%
15% chance it's the
Brake Caliper
0%
20% chance it's
Something else
The most common reasons a 2011 Subaru Legacy makes noise when braking are bad brake pads, bad brake rotors, or bad brake caliper.
  • Brake Pads: Worn or glazed brake pads can lead to reduced braking efficiency and increased stopping distances.
  • Brake Rotors: A warped or worn brake rotor can cause vibrations during braking and reduced braking efficiency.
  • Brake Caliper: A seized or malfunctioning brake caliper can result in dragging brakes, overheating, and uneven wear on the brake pads.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

What could be causing the noise when braking in a 2011 Subaru Legacy, and how should I diagnose it?

When diagnosing a noise when braking in your 2011 Subaru Legacy, start with the simplest solutions before moving on to more complex issues. Begin by inspecting the brake pads for wear; if they are thin or the wear indicators are making contact with the rotor, replacing them is essential. Next, consider environmental factors such as moisture or dirt on the brake rotors, which can create noise, especially in humid conditions. If the noise persists, check the brake pads for proper seating within the caliper; loose pads can rattle and cause unwanted sounds. Additionally, manually turning the front wheels can help identify any unusual noises that may indicate wheel bearing problems. If you suspect more serious issues, such as differential or drivetrain concerns, it’s advisable to consult a professional mechanic, particularly if the noise changes with speed or during deceleration. By following this structured approach, you can effectively narrow down the potential causes of the noise and take appropriate action to resolve it.

What are the common problems that could cause a 2011 Subaru Legacy to make noise when braking?

When experiencing noise while braking in a 2011 Subaru Legacy, several common problems may be at play. One of the primary culprits is worn or loose brake pads, which can create a grinding or screeching sound as the metal backing plate contacts the rotor. Additionally, if the brake pads are not properly seated, they may shift during operation, leading to further noise. Another issue to consider is broken or missing caliper bolts, which can misalign the caliper and result in unwanted sounds during braking. It's also important to check the brake pad guide clips; if these are loose or missing, they can allow the brake pads to move excessively, causing noise. Beyond the braking system, suspension components such as sway bars, ball joints, or control arms can contribute to clunking noises, particularly when braking or turning. A failing wheel bearing may also produce a howling or grinding noise, especially noticeable during braking or turning maneuvers. Lastly, if the parking brake shoes are stuck, they can create noise when the vehicle is in motion. For a thorough diagnosis, it is advisable to inspect these components carefully, as addressing these issues can enhance both safety and performance while driving.

How urgent is it to address the braking noise in a 2011 Subaru Legacy?

When it comes to addressing braking noise in a 2011 Subaru Legacy, the urgency cannot be overstated. Any unusual sounds, particularly grinding or crunching, signal a critical issue that demands immediate attention. Grinding noises often indicate that the brake pads have worn down completely, leading to metal-on-metal contact with the rotors, which not only jeopardizes your safety but can also result in extensive damage to the braking system. Ignoring these warning signs can escalate the problem, potentially damaging other components like the brake rotors and calipers, leading to costly repairs and even brake failure. While squealing or squeaking noises suggest that the brake pads are nearing the end of their lifespan, they still require prompt action to prevent further deterioration. For those who hear grinding sounds, it is advisable to refrain from driving the vehicle and seek professional assistance immediately. By addressing these issues swiftly, you can ensure your safety on the road and avoid more significant repair expenses in the future.

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2011 Subaru Legacy Brake Noise: Causes & Repair Costs